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Vagusstoff (literally translated from German as "Vagus Substance") refers to the substance released by stimulation of the vagus nerve which causes a reduction in the heart rate. Discovered in 1921 by physiologist Otto Loewi , vagusstoff was the first confirmation of chemical synaptic transmission and the first neurotransmitter ever discovered.
He called the unknown chemical Vagusstoff, naming it after the nerve and the German word for substance. It was later found that this chemical corresponded to acetylcholine . His experiment was iconic because it was the first to demonstrate the endogenous release of a chemical substance that could cause a response in the absence of electrical ...
Morphogenesis of Drosophila fruit flies is intensively studied in the laboratory. A morphogen is a substance whose non-uniform distribution governs the pattern of tissue development in the process of morphogenesis or pattern formation, one of the core processes of developmental biology, establishing positions of the various specialized cell types within a tissue.
Spinach helps dilate blood vessels, which can increase blood flow to the genitals. Other greens like kale, cabbage, and bok choy are good sources of folate, which helps reproductive health . Next ...
In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth —height and weight—accelerates in the first half of puberty and is completed when an adult body has been developed.
The prostate, a.k.a. the "male G-spot," can produce mind-blowing orgasms. Sex experts explain where it is, how to stimulate it, and more.
As a baby grows, they learn to sit up, stand, walk, and run; these capacities develop in a specific order with the growth of the nervous system, even though the rate of development may vary from child to child. Gesell believed that individual differences in growth rates are a result of the internal genetic mechanisms. [8]
So, after you binge-watch season 1, grab a blanket and get cozy, because here’s your complete guide to the To All the Boys I’ve Loved Before books in order. To All the Boys I’ve Loved Before